Interrupts And Dma Channels - Lippert PC/104-Plus Technical Manual

Technical Manual PC/104-Plus "Cool RoadRunner II" Version 1.16

4.2 Interrupts and DMA channels

Interrupts
IRQ
NMI Parity Error
0 Timer
1 Keyboard
2 Interrupt Controller 2
3 Serial Port 2
4 Serial Port 1
5 available (PC/104 or -Plus)
6 Floppy
7 Parallel Port 1
8 Real Time Clock
9 available (PC/104 or -Plus)
10 available (PC/104 or -Plus)
11 Ethernet Controller
12 PS/2 Mouse
13 Math coprocessor
14 EIDE
15 EIDE, if the Secondary IDE controller is dis-
abled in BIOS setup, IRQ15 can be used on
the PC/104 or -Plus bus.
DMA channels
DMA data
width
0 8 bits
1 8 bits
2 8 bits
3 8 bits
4
5 16 bits
6 16 bits
7 16 bits
Note: Depending on enabled or disabled functions in the BIOS, other or more resources
may be used
© LIPPERT Automationstechnik GmbH • Hans-Thoma-Str. 11 • 68163 Mannheim • Tel: 0621/43214-0 • Fax: 0621/43214-30
System Resource
System Resource
available
available
Floppy
Parallel Port
Reserved, Cascade Channel
IDE Controller
available
available
April 2004 Page 36 of 42